CA1149653A - Glass fibres for optical communications - Google Patents

Glass fibres for optical communications

Info

Publication number
CA1149653A
CA1149653A CA000381845A CA381845A CA1149653A CA 1149653 A CA1149653 A CA 1149653A CA 000381845 A CA000381845 A CA 000381845A CA 381845 A CA381845 A CA 381845A CA 1149653 A CA1149653 A CA 1149653A
Authority
CA
Canada
Prior art keywords
fibre
cladding
vapour
deposition
chlorine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000381845A
Other languages
English (en)
French (fr)
Inventor
Keith J. Beales
Clive R. Day
Benjamin J. Ainslie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Post Office
Original Assignee
Post Office
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10514833&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1149653(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Post Office filed Critical Post Office
Priority to CA000427120A priority Critical patent/CA1171703A/en
Application granted granted Critical
Publication of CA1149653A publication Critical patent/CA1149653A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03633—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - -
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • C03C13/045—Silica-containing oxide glass compositions
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03627—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/22—Radial profile of refractive index, composition or softening point
    • C03B2203/24—Single mode [SM or monomode]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00—Glass manufacturing
    • Y10S65/90—Drying, dehydration, minimizing oh groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Optics & Photonics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Multicomponent Fibers (AREA)
CA000381845A 1980-07-17 1981-07-16 Glass fibres for optical communications Expired CA1149653A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000427120A CA1171703A (en) 1980-07-17 1983-04-29 Glass fibres for optical communications

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8023360 1980-07-17
GB8023360 1980-07-17

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA000427120A Division CA1171703A (en) 1980-07-17 1983-04-29 Glass fibres for optical communications

Publications (1)

Publication Number Publication Date
CA1149653A true CA1149653A (en) 1983-07-12

Family

ID=10514833

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000381845A Expired CA1149653A (en) 1980-07-17 1981-07-16 Glass fibres for optical communications

Country Status (5)

Country Link
US (1) US4675038A (de)
EP (2) EP0154026B1 (de)
AT (1) ATE37100T1 (de)
CA (1) CA1149653A (de)
DE (1) DE3177089D1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138416B (en) * 1983-04-15 1987-01-21 Standard Telephones Cables Ltd Optical fibre preform manufacture
DE181595T1 (de) * 1984-11-15 1986-09-04 Polaroid Corp., Cambridge, Mass. Dielektrischer wellenleiter mit chlordopierung.
DE3510023A1 (de) * 1985-03-20 1986-09-25 Licentia Gmbh Einwelliger lichtwellenleiter aus quarzglas und verfahren zu dessen herstellung
KR900003449B1 (ko) * 1986-06-11 1990-05-19 스미도모덴기고오교오 가부시기가이샤 분산 시프트싱글모우드 광파이버 및 그 제조방법
US5055120A (en) * 1987-12-15 1991-10-08 Infrared Fiber Systems, Inc. Fluoride glass fibers with reduced defects
DE3820217A1 (de) * 1988-06-14 1989-12-21 Rheydt Kabelwerk Ag Lichtwellenleiter, insbesondere einmodenfaser
DE3842804A1 (de) * 1988-12-20 1990-06-21 Rheydt Kabelwerk Ag Lichtwellenleiter
DE3842805A1 (de) * 1988-12-20 1990-06-21 Rheydt Kabelwerk Ag Lichtwellenleiter
DE3938386A1 (de) * 1989-11-18 1991-05-23 Rheydt Kabelwerk Ag Lichtwellenleiter
AU649845B2 (en) * 1991-06-24 1994-06-02 Sumitomo Electric Industries, Ltd. Method for producing glass preform for optical fiber
FR2679548B1 (fr) * 1991-07-25 1994-10-21 Alsthom Cge Alcatel Procede de fabrication de fibres optiques actives.
US5522003A (en) * 1993-03-02 1996-05-28 Ward; Robert M. Glass preform with deep radial gradient layer and method of manufacturing same
US5641333A (en) * 1995-12-01 1997-06-24 Corning Incorporated Increasing the retention of Ge02 during production of glass articles
US6131415A (en) * 1997-06-20 2000-10-17 Lucent Technologies Inc. Method of making a fiber having low loss at 1385 nm by cladding a VAD preform with a D/d<7.5
RU2156485C1 (ru) * 1999-05-19 2000-09-20 Научный центр волоконной оптики при Институте общей физики РАН Фоточувствительный волоконный световод и фотоиндуцированная структура
US6574406B2 (en) 2001-09-11 2003-06-03 Corning Incorporated Selectively absorbing optical fibers for optical amplifiers
AU2002367308A1 (en) * 2001-12-21 2003-07-24 Fibercore, Inc. Method for offline collapsing a preform
NL1021992C2 (nl) * 2002-11-26 2004-05-27 Draka Fibre Technology Bv Werkwijze ter vervaardiging van een vormdeel.
NL1024480C2 (nl) * 2003-10-08 2005-04-11 Draka Fibre Technology Bv Werkwijze ter vervaardiging van een voorvorm voor optische vezels, alsmede werkwijze ter vervaardiging van optische vezels.
US7805039B2 (en) * 2007-05-04 2010-09-28 Weatherford/Lamb, Inc. Single mode optical fiber with improved bend performance
NL2004874C2 (nl) 2010-06-11 2011-12-19 Draka Comteq Bv Werkwijze voor het vervaardigen van een primaire voorvorm.
NL2014519B1 (en) 2015-03-25 2017-01-25 Draka Comteq Bv A rotary feed-through for mounting a rotating substrate tube in a lathe, a CVD lathe and a corresponding method using the CVD lathe.

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1034818A (en) * 1975-04-16 1978-07-18 Northern Electric Company Limited Manufacture of optical fibres
DE2623989C3 (de) * 1976-05-28 1981-02-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Monomode-Lichtleiter
US4125388A (en) * 1976-12-20 1978-11-14 Corning Glass Works Method of making optical waveguides
GB1562032A (en) * 1977-03-24 1980-03-05 Standard Telephones Cables Ltd Optical fibre manufacture
US4334903A (en) * 1977-08-29 1982-06-15 Bell Telephone Laboratories, Incorporated Optical fiber fabrication
US4165223A (en) * 1978-03-06 1979-08-21 Corning Glass Works Method of making dry optical waveguides
JPS54160826A (en) * 1978-06-08 1979-12-19 Nippon Telegr & Teleph Corp <Ntt> Fiber for optical communication
JPS5852935B2 (ja) * 1978-11-20 1983-11-26 三菱マテリアル株式会社 光伝送用素材の製造方法
JPS5924092B2 (ja) * 1978-12-29 1984-06-07 三菱マテリアル株式会社 光フアイバ母材の製造法
US4304583A (en) * 1980-06-02 1981-12-08 Corning Glass Works Process for drying optical waveguide preforms
US4385802A (en) * 1980-06-09 1983-05-31 Corning Glass Works Long wavelength, low-loss optical waveguide
US4286978A (en) * 1980-07-03 1981-09-01 Corning Glass Works Method for substantially continuously drying, consolidating and drawing an optical waveguide preform
US4298634A (en) * 1980-11-04 1981-11-03 Compagnie Internationale Pour L'informatique Cii-Honeywell Bull (Societe Anonyme) Method for coating cylindrical surfaces

Also Published As

Publication number Publication date
EP0044712A2 (de) 1982-01-27
US4675038A (en) 1987-06-23
ATE37100T1 (de) 1988-09-15
EP0154026B1 (de) 1988-09-07
EP0044712A3 (en) 1982-08-04
EP0154026A3 (en) 1985-11-27
DE3177089D1 (en) 1989-09-28
EP0154026A2 (de) 1985-09-11
EP0044712B1 (de) 1989-08-23

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